Updated d3d9graphics so it handles depth buffering. Fix courtesy of Kevin Primm ...

diff --git a/mod/brl.mod/dxgraphics.mod/d3d9graphics.bmx b/mod/brl.mod/dxgraphics.mod/d3d9graphics.bmx
index faae08a4444d16f050d1375f455c97a7f3857371..60ac2a39fbed2165b3e9b71e3398628e9b6b8e83 100644 (file)
--- a/mod/brl.mod/dxgraphics.mod/d3d9graphics.bmx
+++ b/mod/brl.mod/dxgraphics.mod/d3d9graphics.bmx
@@ -71,6 +71,47 @@ Function OpenD3DDevice( hwnd,width,height,depth,hertz,flags )
        pp.FullScreen_RefreshRateInHz=(hertz * fullscreen)
        pp.PresentationInterval=D3DPRESENT_INTERVAL_ONE 'IMMEDIATE
        
+       Function CheckDepthFormat(format)
+           Return _d3d.CheckDeviceFormat(0,D3DDEVTYPE_HAL,D3DFMT_X8R8G8B8,D3DUSAGE_DEPTHSTENCIL,D3DRTYPE_SURFACE,format)=D3D_OK
+       End Function
+
+       If flags&GRAPHICS_DEPTHBUFFER Or flags&GRAPHICS_STENCILBUFFER
+           pp.EnableAutoDepthStencil = True
+           If flags&GRAPHICS_STENCILBUFFER
+               If Not CheckDepthFormat( D3DFMT_D24S8 )
+                   If Not CheckDepthFormat( D3DFMT_D24FS8 )
+                       If Not CheckDepthFormat( D3DFMT_D24X4S4 )
+                           If Not CheckDepthFormat( D3DFMT_D15S1 )
+                               Return False
+                           Else
+                               pp.AutoDepthStencilFormat = D3DFMT_D15S1
+                           EndIf
+                       Else
+                           pp.AutoDepthStencilFormat = D3DFMT_D24X4S4
+                       EndIf
+                   Else
+                       pp.AutoDepthStencilFormat = D3DFMT_D24FS8
+                   EndIf
+               Else
+                   pp.AutoDepthStencilFormat = D3DFMT_D24S8
+               EndIf
+           Else
+               If Not CheckDepthFormat( D3DFMT_D32 )
+                   If Not CheckDepthFormat( D3DFMT_D24X8 )
+                       If Not CheckDepthFormat( D3DFMT_D16 )
+                           Return False
+                       Else
+                           pp.AutoDepthStencilFormat = D3DFMT_D16
+                       EndIf
+                   Else
+                       pp.AutoDepthStencilFormat = D3DFMT_D24X8
+                   EndIf
+               Else
+                   pp.AutoDepthStencilFormat = D3DFMT_D32
+               EndIf
+           EndIf
+       EndIf
+       
        Local cflags=D3DCREATE_FPU_PRESERVE
        
        'OK, try hardware vertex processing...